Periodic Table & Periodic Trends Unit Review

Periodic Table & Periodic Trends Unit Review

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Who arranged the periodic table and predicted the existence of undiscovered elements?

Back

Dmitri Mendeleev.

2.

FLASHCARD QUESTION

Front

What happens to the reactivity of alkali metals as you move down the group?

Back

Reactivity increases.

3.

FLASHCARD QUESTION

Front

How many valence electrons do group 17 elements have?

Back

7 valence electrons.

4.

FLASHCARD QUESTION

Front

What does each period in the periodic table correspond to?

Back

Energy levels.

5.

FLASHCARD QUESTION

Front

What are isotopes?

Back

Isotopes are atoms of the same element that have different numbers of neutrons.

6.

FLASHCARD QUESTION

Front

What is the periodic law?

Back

The periodic law states that the properties of elements are a periodic function of their atomic numbers.

7.

FLASHCARD QUESTION

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their properties and helps predict their behavior.

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